From cf6487d0d656994cc43851b8c2384741e220f7ac Mon Sep 17 00:00:00 2001 From: Christian Lamparter Date: Fri, 17 Sep 2010 22:47:28 +0200 Subject: [PATCH] carl9170: abort tasklet during usb reset This patch prevents the tasklet code from interfering while the firmware is down for an unscheduled maintenance. Signed-off-by: Christian Lamparter Signed-off-by: John W. Linville --- drivers/net/wireless/ath/carl9170/usb.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c index fde918d0120b..1e7c2748d85a 100644 --- a/drivers/net/wireless/ath/carl9170/usb.c +++ b/drivers/net/wireless/ath/carl9170/usb.c @@ -367,6 +367,9 @@ static void carl9170_usb_tasklet(unsigned long data) { struct ar9170 *ar = (struct ar9170 *) data; + if (!IS_INITIALIZED(ar)) + return; + carl9170_usb_rx_work(ar); /* -- 2.20.1